48439 ZIP Code — Grand Blanc, MI

Genesee County, Michigan

ZIP code 48439 is located in Grand Blanc, Michigan, within Genesee County. It covers approximately 54.51 square miles and serves a population of 52,012 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 810.

About ZIP code 48439

The housing stock consists of a mix of housing types. Most homes were built in the 2000s, giving the area an established character. Median home value is $230,800. Owner-occupancy sits near the national average at 75%.

The gap between median ($86,151) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 6% is below the national average. 37% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 30 minutes is near the national average.

Educational attainment is near the national average, with 43% of residents holding a bachelor's degree or higher.

52,012

population

54.51

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

48439 ZIP code map

Cities in ZIP code 48439

Below are the cities the US Postal Service accepts for ZIP code 48439. Using any city not on this list may result in mail delivery delays.

City	Status
Grand Blanc	Acceptable
Grand Blanc	Preferred

Nearby ZIP codes

48529 Burton (3.8 mi) 48507 Flint (4.2 mi) 48507 Flint (4.2 mi) 48519 Burton (4.9 mi) 48503 Flint (6.5 mi) 48551 Flint (6.6 mi) 48552 Flint (6.6 mi) 48556 Flint (6.6 mi) 48555 Flint (6.6 mi) 48550 Flint (6.6 mi) 48553 Flint (6.6 mi) 48554 Flint (6.6 mi)

Demographics updated 06/2026

Population
Total population	52,012
Population density	954 / sq mi
State FIPS	26
County FIPS	049

Geography
Land area	54.51 sq mi
Water area	0.48 sq mi
Latitude	42.9210
Longitude	-83.6474
Timezone	Eastern (ET)
Area code	810

Total population by age

Gender

Race & ethnicity

Economics updated 06/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	30.1%	48.8%	42.6%
$50k – $100k	31.0%	30.0%	31.1%
$100k – $200k	29.6%	17.4%	20.6%
Over $200k	9.4%	3.8%	5.7%

Demographics & statistics

52,012

Population

954

People per sq mi

42.9

Median age

$86,151

Median household income

$45,968

Per capita income

$230,800

Median home value

$973

Median monthly rent

75.0%

Home ownership

5.6%

Poverty rate

4.7%

Unemployment

16,605

Housing units

42.9%

Bachelor's or higher

Age distribution

Male Female

1,207

Under 5

1,329

1,232

5–9

1,356

2,150

10–14

2,368

1,571

15–19

1,731

1,548

20–24

1,704

2,606

25–34

2,870

2,979

35–44

3,281

3,009

45–54

3,313

1,731

55–59

1,907

2,069

60–64

2,279

2,500

65–74

2,754

1,506

75–84

1,658

644

85+

710

← Male

Female →

Age summary

Group	Count	%
Under 18	11,711	22.5%
18 and over	40,301	77.5%
65 and over	9,772	18.8%
Median age	42.9 years

Race & ethnicity

White 76.1%

Black or African American 10.5%

Two or more races 4.5%

Asian 3.7%

Hispanic or Latino 3.3%

Other race 1.8%

American Indian / Alaska Native 0.1%

Group	Count	%
White	40,931	76.1%
Black or African American	5,667	10.5%
Two or more races	2,410	4.5%
Asian	1,977	3.7%
Hispanic or Latino	1,795	3.3%
Other race	950	1.8%
American Indian / Alaska Native	76	0.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	30.1%	48.8%	42.6%
$50k – $100k	31.0%	30.0%	31.1%
$100k – $200k	29.6%	17.4%	20.6%
Over $200k	9.4%	3.8%	5.7%

Under $10k 2.6%

$10k–$15k 1.3%

$15k–$25k 5.3%

$25k–$35k 6.3%

$35k–$50k 12.4%

$50k–$75k 15.8%

$75k–$100k 13.2%

$100k–$150k 20.4%

$150k–$200k 9.9%

$200k+ 12.8%

Range	% of households
Under $10k	2.6%
$10k–$15k	1.3%
$15k–$25k	5.3%
$25k–$35k	6.3%
$35k–$50k	12.4%
$50k–$75k	15.8%
$75k–$100k	13.2%
$100k–$150k	20.4%
$150k–$200k	9.9%
$200k+	12.8%
Median income	$86,151

Housing

Home values

Under $50k 4.4%

$50k–$100k 4.3%

$100k–$150k 10.2%

$150k–$200k 18.5%

$200k–$300k 38.7%

$300k–$500k 18.7%

$500k–$1M 2.3%

$1M+ 2.9%

Housing overview

Metric	Value
Median home value	$230,800
Median rent / month	$973
Owner occupied	75.0%
Renter occupied	25.0%
Vacant	3.6%
Single-family detached	65.9%
Large apartment buildings	7.2%
Mobile homes	2.6%
Median rooms	6.3
Avg household size (owned)	2.64

Year built

Era	%
2020 or later	0.3%
2010–2019	6.5%
2000–2009	19.7%
1990–1999	17.9%
1980–1989	7.2%
1970–1979	19.0%
1960–1969	15.2%
1950–1959	9.5%
1940–1949	1.3%
1939 or earlier	3.4%

Bedrooms

Size	% of units
No bedroom (studio)	0.7%
1 bedroom	12.7%
2 bedrooms	19.1%
3 bedrooms	37.5%
4 bedrooms	23.9%
5+ bedrooms	6.1%

Vehicles per household

Vehicles	% of households
No vehicle	4.8%
1 vehicle	32.8%
2 vehicles	37.9%
3 or more	24.5%

Heating fuel

Fuel type	%
Utility gas	81.3%
Electricity	16.1%
Propane / LP gas	1.4%
Fuel oil	0.2%
Wood	0.2%
No fuel used	0.6%

Households & families

Household type	Count	%
Married-couple family	10,987	52.1%
Cohabiting couple	1,662	7.9%
Male householder, no spouse	2,895	13.7%
Female householder, no spouse	5,548	26.3%
Households with children under 18	6,034	28.6%
Households with seniors (65+)	6,787	32.2%
Average household size	2.45

Marital status

Status	Male	Female
Never married	30.3%	25.5%
Married	56.8%	50.7%
Separated	1.0%	1.2%
Widowed	3.0%	8.5%
Divorced	8.9%	14.1%

Education

Less than 9th grade 1.4%

Some HS, no diploma 2.8%

HS graduate 19.1%

Some college, no degree 22.5%

Associate's degree 11.4%

Bachelor's degree 25.4%

Graduate / professional 17.5%

Metric	%
HS diploma or higher	95.8%
Bachelor's or higher	42.9%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	701	5.6%
Kindergarten	565	4.5%
Elementary school	5,802	46.4%
High school	2,847	22.8%
College / grad school	2,587	20.7%

Employment

Industry of employment

Education & healthcare 27.0%

Manufacturing 18.8%

Professional & management 9.2%

Arts, food & hospitality 8.4%

Retail trade 8.2%

Finance & real estate 5.4%

Transportation & utilities 5.2%

Construction 5.1%

Other services 4.5%

Public administration 4.2%

Wholesale trade 2.0%

Information 1.4%

Agriculture & mining 0.6%

Occupation

Category	%
Management, business & arts	46.0%
Service	14.5%
Sales & office	19.0%
Natural resources & construction	6.7%
Production & transportation	13.8%

Employment type

Type	%
Private sector	82.1%
Government	13.0%
Self-employed	4.5%
Unpaid family workers	0.4%

Commute

Method	%
Drive alone	76.8%
Carpool	8.2%
Public transit	0.3%
Walk	1.0%
Work from home	12.8%
Other means	0.9%
Avg commute (minutes)	29.6

Poverty

All people 5.6%

Under 18 years 6.0%

18 and over 5.5%

Married-couple families 1.7%

Female-led households 10.6%

Income support

Source	% of households
Social Security	36.5%
Retirement income	33.5%
Supplemental Security	3.1%
Cash public assistance	1.5%
Food stamps / SNAP	5.1%

Health indicators

Condition	%
Obesity	36.6%
High blood pressure	31.4%
High cholesterol	35.1%
Diabetes	9.6%
Heart disease	5.5%
Stroke	2.6%
Asthma	10.7%
Arthritis	27.6%
Kidney disease	2.6%
Pulmonary disease	5.9%
Cancer	6.7%

Behavior / access	%
Smoking	16.3%
Binge drinking	19.4%
No physical activity	18.8%
Less than 7 hrs sleep	35.9%
Depression	21.9%
Fair or poor health	11.8%
Poor mental health	15.5%
Poor physical health	9.2%
No health insurance	7.8%
Visited doctor (checkup)	74.5%
Visited dentist	75.4%
Cholesterol screening	92.4%
Teeth loss	9.1%

Veterans & disability

Veterans	Count	%
Civilian veterans	2,710	6.7%

Disability	%
Any disability	12.3%
Under 18	4.3%
18–64 years	9.7%
65 and over	30.4%

Health insurance coverage

Type	%
Private insurance	81.7%
Public insurance	33.5%
No insurance	3.1%
Uninsured under 19	0.8%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	49,476	95.1%
Spanish	860	1.7%
Other Indo-European	73	0.1%
Asian & Pacific Islander	95	0.2%
Other languages	464	0.9%

Place of birth & citizenship

Origin	Count	%
Native born (US)	49,187	94.6%
Born in same state	48,896	94.0%
Born in different state	41,314	79.4%
Foreign born	291	0.6%
Naturalized citizen	2,825	5.4%
Not a US citizen	2,130	75.4%

Ancestry

Ancestry	Count	%
French	8,080	15.5%
Italian	5,795	11.1%
Arab	3,753	7.2%
German	1,229	2.4%
Irish	863	1.7%

Ancestry	Count	%
English	684	1.3%
Polish	449	0.9%
Norwegian	302	0.6%
Dutch	292	0.6%

Technology access

Metric	% of households
Computer access	40.6%
Internet access	95.8%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 48439

What part of Grand Blanc is ZIP code 48439?

ZIP code 48439 covers a portion of Grand Blanc, Michigan, within Genesee County.

What county is ZIP code 48439 in?

ZIP code 48439 falls within Genesee County, Michigan.

Does ZIP code 48439 have a large retiree population?

37% of households in ZIP code 48439 receive Social Security income, suggesting a significant retiree or disability population.

What is the population of ZIP code 48439?

ZIP code 48439 has an estimated population of 52,012 residents, with a density of 954 people per square mile.

What is the median household income in ZIP code 48439?

The median household income in ZIP code 48439 is $86,151, above the national median of ~$75,000.

What is the typical home value in ZIP code 48439?

The median home value in ZIP code 48439 is $230,800.

What timezone is ZIP code 48439 in?

ZIP code 48439 observes the EST timezone.